kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 573 Comm: syz-executor.0 Not tainted 5.4.283-syzkaller-04984-ge6ac8beecb16 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:dir_rename fs/incfs/vfs.c:1374 [inline]
RIP: 0010:dir_rename_wrap+0x1a5/0x4f0 fs/incfs/vfs.c:84
Code: 7a ff eb 05 e8 ac 63 7a ff bb f0 ff ff ff 48 8b 6c 24 18 e9 02 03 00 00 e8 98 63 7a ff 31 db 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 6c 4c aa ff 48 8b 1b 48 8b 44 24
RSP: 0018:ffff8881e810faa0 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff8881e9370000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881e85aa018 R08: ffffffff81e9d201 R09: ffffed103d021f45
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881e85aa028 R14: ffff8881edf28dd0 R15: 1ffff1103d0b5403
FS:  00007f09e78786c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f09e7857d58 CR3: 00000001d8b9e000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_rename+0x9fb/0xeb0 fs/namei.c:4651
 do_renameat2+0x941/0x1250 fs/namei.c:4801
 __do_sys_renameat2 fs/namei.c:4836 [inline]
 __se_sys_renameat2 fs/namei.c:4833 [inline]
 __x64_sys_renameat2+0xb1/0xc0 fs/namei.c:4833
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f09e7cf5ee9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f09e78780c8 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007f09e7e24f80 RCX: 00007f09e7cf5ee9
RDX: 0000000000000004 RSI: 0000000020000040 RDI: 0000000000000004
RBP: 00007f09e7d4249e R08: 0000000000000002 R09: 0000000000000000
R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f09e7e24f80 R15: 00007ffe29af0a98
Modules linked in:
---[ end trace 8d8eef5e2a4e99e3 ]---
RIP: 0010:dir_rename fs/incfs/vfs.c:1374 [inline]
RIP: 0010:dir_rename_wrap+0x1a5/0x4f0 fs/incfs/vfs.c:84
Code: 7a ff eb 05 e8 ac 63 7a ff bb f0 ff ff ff 48 8b 6c 24 18 e9 02 03 00 00 e8 98 63 7a ff 31 db 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 6c 4c aa ff 48 8b 1b 48 8b 44 24
RSP: 0018:ffff8881e810faa0 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff8881e9370000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881e85aa018 R08: ffffffff81e9d201 R09: ffffed103d021f45
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881e85aa028 R14: ffff8881edf28dd0 R15: 1ffff1103d0b5403
FS:  00007f09e78786c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f09e7857d58 CR3: 00000001d8b9e000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	7a ff                	jp     0x1
   2:	eb 05                	jmp    0x9
   4:	e8 ac 63 7a ff       	call   0xff7a63b5
   9:	bb f0 ff ff ff       	mov    $0xfffffff0,%ebx
   e:	48 8b 6c 24 18       	mov    0x18(%rsp),%rbp
  13:	e9 02 03 00 00       	jmp    0x31a
  18:	e8 98 63 7a ff       	call   0xff7a63b5
  1d:	31 db                	xor    %ebx,%ebx
  1f:	48 83 c3 08          	add    $0x8,%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	48 89 df             	mov    %rbx,%rdi
  34:	e8 6c 4c aa ff       	call   0xffaa4ca5
  39:	48 8b 1b             	mov    (%rbx),%rbx
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	44                   	rex.R
  3f:	24                   	.byte 0x24